text: google.charts.load('current', {'packages':['corechart']});
  google.charts.setOnLoadCallback(drawVisualization);
  
  function drawVisualization() {
    // Some raw data (not necessarily accurate)
    var data = google.visualization.arrayToDataTable([
      ['Month', 'Bolivia', 'Ecuador', 'Madagascar', 'Papua New Guinea', 'Rwanda', 'Average'],
      ['2004/05',  165,      938,         522,             998,           450,      614.6],
      ['2005/06',  135,      1120,        599,             1268,          288,      682],
      ['2006/07',  157,      1167,        587,             807,           397,      623],
      ['2007/08',  139,      1110,        615,             968,           215,      609.4],
      ['2008/09',  136,      691,         629,             1026,          366,      569.6]
    ]);
  
    var options = {
      title : 'Monthly Coffee Production by Country',
      vAxis: {title: 'Cups'},
      hAxis: {title: 'Month'},
      seriesType: 'bars',
      series: {5: {type: 'line'}}        };
  
    var chart = new google.visualization.ComboChart(document.getElementById('combo_chart'));
    chart.draw(data, options);
  }
  